– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sun 10 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 10 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 10 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Sun night. Warm (max 26°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 25mm), heaviest during Fri night. Warm (max 21°C on Wed afternoon, min 4°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  | | | | | | |  | |  | |
cloudy | rain shwrs | rain shwrs | rain shwrs | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | rain shwrs | light rain | rain shwrs | heavy rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 0.2 | 1 | 0.1 | — | — | — | — | — | — | — | — | — | — | 8 | 0.2 | 1.5 | 15 | |
max °C | 12 | 15 | 11 | 14 | 18 | 15 | 23 | 26 | 21 | 20 | 21 | 17 | 13 | 15 | 10 | 7 | 9 | 7 |
min °C | 12 | 14 | 8 | 10 | 18 | 14 | 19 | 25 | 17 | 19 | 21 | 11 | 11 | 14 | 6 | 6 | 9 | 4 |
11 | 14 | 8 | 10 | 18 | 14 | 19 | 25 | 17 | 19 | 21 | 11 | 11 | 14 | 5 | 5 | 8 | 2 | |
2400 | 2250 | 2100 | 2800 | 3250 | 3500 | 3800 | 3800 | 3700 | 3600 | 3400 | 3100 | 2600 | 2300 | 1500 | 1400 | 1700 | 1100 | |
Cloud base (m) | 750 | 2100 | 1650 | 1600 | 7050 | 9150 | 6700 | 6600 | 3950 | 3400 | 4000 | 2150 | 600 | 650 | 750 | 600 | ||
 | 5:33 | — | — | 5:31 | — | — | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — |
 | — | — | 8:35 | — | — | 8:36 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:42 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Sun night. Warm (max 26°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 25mm), heaviest during Fri night. Warm (max 21°C on Wed afternoon, min 4°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.